CN203640758U - Automatic adjusting device of mine air curtain - Google Patents
Automatic adjusting device of mine air curtain Download PDFInfo
- Publication number
- CN203640758U CN203640758U CN201320866720.7U CN201320866720U CN203640758U CN 203640758 U CN203640758 U CN 203640758U CN 201320866720 U CN201320866720 U CN 201320866720U CN 203640758 U CN203640758 U CN 203640758U
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- China
- Prior art keywords
- air curtain
- blower fan
- mine
- arrangements
- control device
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- Ventilation (AREA)
Abstract
The utility model discloses an automatic adjusting device of a mine air curtain. The automatic adjusting device of the mine air curtain comprises draught fans, a wind pressure sensor and a control device, wherein the draught fans are installed inside a mine chamber; the direction of wind outlets of the draught fans is opposite to the wind direction; the wind pressure sensor is installed in a mine roadway and located between a wind inlet of the mine roadway and the draught fans; the signal output end of the wind pressure sensor is connected to the control signal input end of the control device; the control signal output end of the control device is connected to the control ends of the draught fans. The draught fans can form the air curtain according to control of the control device, the wind pressure of the mine roadway is made to be gentle, and therefore wind current can be effectively cut off, transportation is not affected, and pedestrians can pass through a mine normally.
Description
Technical field
The utility model belongs to automation field, relates to a kind of mining air curtain self-checking device.
Background technology
Mine air regulates with the method for controlling a lot, and at present under mine, most widely used air regulator is air door, because the air leak rate of air curtain of air door is up to 36.6%, is difficult to reach and cuts off distinguished and admirable effect.Driving and pedestrian by time, need to be by installing air door is opened and closed manually or automatically, and driving frequently or the country rock in tunnel unstable, the air door of installation very easily destroys, and easily causes the problem such as Air escape branch, system air leakage.The maintenance frequency of air door is increased, affect the working environment of down-hole, cause operating efficiency to reduce.
Utility model content
The purpose of this utility model is exactly the problem existing for prior art, and a kind of mining air curtain self-checking device is provided, and plays for substituting air door the distinguished and admirable effect that cuts off.
Above-mentioned purpose realizes by following proposal:
A kind of mining air curtain self-checking device, is characterized in that, described air curtain self-checking device comprises blower fan, wind pressure sensor and control device; Described assembling is in mine chamber, and the air outlet of described blower fan is towards contrary with wind direction; Described wind pressure sensor is arranged in mine laneway and between mine laneway air intake and described blower fan; The signal output part of described wind pressure sensor is connected to the control signal input of described control device, and the control signal output of described control device is connected to the control end of described blower fan.
According to above-mentioned mining air curtain self-checking device, it is characterized in that, described blower fan is divided into two groups, and every group of blower fan comprises two Fans setting up and down; Described in two groups, blower fan is arranged on the sidewall of mine chamber side by side, the air outlet of every described blower fan to tunnel centroclinal and with tunnel form 30 ° of angles.
According to above-mentioned mining air curtain self-checking device, it is characterized in that, described control device comprises PLC circuit, the first arrangements for speed regulation, the first contact-making switch, the second arrangements for speed regulation and the second contact-making switch; A control end of described PLC circuit connects described the first contact-making switch and the first arrangements for speed regulation, and another control end connects described the second contact-making switch and the second arrangements for speed regulation; And the output of described the first arrangements for speed regulation connects one group in described two groups of blower fans, and the output of described the second arrangements for speed regulation connects another group in described two groups of blower fans.
According to above-mentioned mining air curtain self-checking device, it is characterized in that, described control device outside is provided with armored cassette.
According to above-mentioned mining air curtain self-checking device, it is characterized in that, warning device is also installed in described mine laneway, and the control signal output of described control device is connected to described warning device.
According to above-mentioned mining air curtain self-checking device, it is characterized in that, described warning device is alarm lamp.
The beneficial effects of the utility model: the utility model cut off distinguished and admirable effective, be convenient to maintenance, and do not affect transportation and normally the passing through of pedestrian.
Accompanying drawing explanation
Fig. 1 is whole result schematic diagram of the present utility model.
The specific embodiment
Referring to Fig. 1, mining air curtain self-checking device of the present utility model comprises blower fan, wind pressure sensor and control device.Assembling is in mine chamber, and the air outlet of blower fan is towards contrary with wind direction, thereby forms air curtain, plays the distinguished and admirable effect that intercepts.Wind pressure sensor 8 is arranged in mine laneway 9 and between mine laneway 9 air intakes and described blower fan, i.e. the front of air curtain.The signal output part of wind pressure sensor 8 is connected to the control signal input of control device, and the control signal output of control device is connected to the control end of blower fan.
In preferred scheme, blower fan is divided into two groups, and every group of blower fan comprises two Fans setting up and down (referring to the blower fan 10 in Fig. 1 and blower fan 11).Two groups of blower fans are arranged on the sidewall of mine chamber side by side, and the air outlet of every Fans is centroclinal and form left and right, 30 ° of angles with tunnel to tunnel 9.
In order to realize the control respectively to two groups of blower fans, control device comprises PLC circuit 3, the first arrangements for speed regulation 1, the first contact-making switch 2, the second arrangements for speed regulation 4 and the second contact-making switch 5; A control end of PLC circuit connects the first contact-making switch 2 and the first arrangements for speed regulation 1, and another control end connects the second contact-making switch 5 and the second arrangements for speed regulation 4; And the output of the first arrangements for speed regulation 1 connects one group (being blower fan 11 in Fig. 1) in two groups of blower fans, the output of the second arrangements for speed regulation 4 connects another group (being blower fan 10 in Fig. 1) in two groups of blower fans.
For safety, control device outside can be provided with armored cassette 6.In addition, warning device also can be installed in mine laneway, the control signal output of control device is connected to warning device, and warning device is controlled.Warning device as shown in Figure 1, can be alarm lamp 7.Fig. 1 has provided concrete blower fan structure, and this blower fan comprises blower fan main frame 12, rectifier 13 and supplies airduct 14.
The course of work of this air curtain self-checking device is as follows: in a work period, one group of blower fan 11 is in running order for a long time, forms air curtain, and another group blower fan 10 is in stand-by state; In tunnel 9, the pressure size of both sides detects generation signal by wind pressure sensor 8 and passes to PLC circuit 3, controlling the first arrangements for speed regulation 1 by PLC circuit 3 regulates the pressure of one group of blower fan 11, air curtain pressure and tunnel blast are cancelled out each other, reach the distinguished and admirable effect that cuts off.In the time that the pressure at both sides in tunnel is greater than the pressure of the air curtain that one group of blower fan 11 produces, closed another group group blower fans 10 of opening of PLC circuit control the second contact-making switch 4 form second air curtain balance blast.While proceeding to the next work period, the working method exchange of one group of blower fan 11 use air curtain and another group blower fan 10, working method and principle are same as described above, extend the application life of air curtain.
Relay indicating light information indicating in Fig. 1: relay indicating light only lights a green light in the time only having one group of mining air curtain work, blast increase lights two green lights when two groups of mining air curtains are worked together, and in the time that blast exceedes safe range or when mining air curtain breaks down, red light lights.Staff can make corresponding measure by the prompting of indicator lamp.
Claims (6)
1. a mining air curtain self-checking device, is characterized in that, described air curtain self-checking device comprises blower fan, wind pressure sensor and control device; Described assembling is in mine chamber, and the air outlet of described blower fan is towards contrary with wind direction; Described wind pressure sensor is arranged in mine laneway and between mine laneway air intake and described blower fan; The signal output part of described wind pressure sensor is connected to the control signal input of described control device, and the control signal output of described control device is connected to the control end of described blower fan.
2. mining air curtain self-checking device according to claim 1, is characterized in that, described blower fan is divided into two groups, and every group of blower fan comprises two Fans setting up and down; Described in two groups, blower fan is arranged on the sidewall of mine chamber side by side, the air outlet of every described blower fan to tunnel centroclinal and with tunnel form 30 ° of angles.
3. mining air curtain self-checking device according to claim 2, is characterized in that, described control device comprises PLC circuit, the first arrangements for speed regulation, the first contact-making switch, the second arrangements for speed regulation and the second contact-making switch; A control end of described PLC circuit connects described the first contact-making switch and the first arrangements for speed regulation, and another control end connects described the second contact-making switch and the second arrangements for speed regulation; And the output of described the first arrangements for speed regulation connects one group in described two groups of blower fans, and the output of described the second arrangements for speed regulation connects another group in described two groups of blower fans.
4. according to the mining air curtain self-checking device described in claim 1 or 2 or 3, it is characterized in that, described control device outside is provided with armored cassette.
5. according to the mining air curtain self-checking device described in claim 1 or 2 or 3, it is characterized in that, warning device is also installed in described mine laneway, and the control signal output of described control device is connected to described warning device.
6. mining air curtain self-checking device according to claim 5, is characterized in that, described warning device is alarm lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320866720.7U CN203640758U (en) | 2013-12-26 | 2013-12-26 | Automatic adjusting device of mine air curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320866720.7U CN203640758U (en) | 2013-12-26 | 2013-12-26 | Automatic adjusting device of mine air curtain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203640758U true CN203640758U (en) | 2014-06-11 |
Family
ID=50872013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320866720.7U Expired - Fee Related CN203640758U (en) | 2013-12-26 | 2013-12-26 | Automatic adjusting device of mine air curtain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203640758U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985092A (en) * | 2019-12-27 | 2020-04-10 | 赣州有色冶金研究所 | Method and device for preventing reverse wind of main transportation roadway of mine |
-
2013
- 2013-12-26 CN CN201320866720.7U patent/CN203640758U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985092A (en) * | 2019-12-27 | 2020-04-10 | 赣州有色冶金研究所 | Method and device for preventing reverse wind of main transportation roadway of mine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20161226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |